<template>
  <main class="site-content" :class="{ 'site-content--tabs': $route.meta.isTab }">
    <!-- 主入口标签页 s -->
    <el-tabs v-if="$route.meta.isTab" v-model="mainTabsActiveName" :closable="true" @tab-click="selectedTabHandle"
             @tab-remove="removeTabHandle">
      <el-dropdown class="site-tabs__tools" :show-timeout="0">
        <i class="el-icon-arrow-down el-icon--right"></i>
        <el-dropdown-menu slot="dropdown">
          <el-dropdown-item @click.native="tabsCloseCurrentHandle">关闭当前标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsCloseOtherHandle">关闭其它标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsCloseAllHandle">关闭全部标签页</el-dropdown-item>
          <el-dropdown-item @click.native="tabsRefreshCurrentHandle">刷新当前标签页</el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
      <el-tab-pane v-for="item in mainTabs" :key="item.name" :label="item.title" :name="item.name">
        <el-card :body-style="siteContentViewHeight">
          <iframe v-if="item.type === 'iframe'" :src="item.iframeUrl" width="100%" height="100%" frameborder="0"
                  scrolling="yes">
          </iframe>
          <keep-alive v-else>
            <router-view v-if="item.name === mainTabsActiveName"/>
          </keep-alive>
        </el-card>
      </el-tab-pane>
    </el-tabs>
    <!-- 主入口标签页 e -->
    <el-card v-else :body-style="siteContentViewHeight">
      <keep-alive>
        <router-view/>
      </keep-alive>
    </el-card>
    <div style="text-align: center">
      <el-link icon="el-icon-link" type="info" target="_blank" href="http://fly2you.cn/">安徽微同科技有限公司 © 2019 |
        皖ICP备18002832号-1
      </el-link>
    </div>
  </main>
</template>

<script>
import {isURL} from '@/utils/validate'

export default {
  data () {
    return {}
  },
  computed: {
    documentClientHeight: {
      get () {
        return this.$store.state.common.documentClientHeight
      }
    },
    menuActiveName: {
      get () {
        return this.$store.state.common.menuActiveName
      },
      set (val) {
        this.$store.commit('common/updateMenuActiveName', val)
      }
    },
    mainTabs: {
      get () {
        return this.$store.state.common.mainTabs
      },
      set (val) {
        this.$store.commit('common/updateMainTabs', val)
      }
    },
    mainTabsActiveName: {
      get () {
        return this.$store.state.common.mainTabsActiveName
      },
      set (val) {
        this.$store.commit('common/updateMainTabsActiveName', val)
      }
    },
    siteContentViewHeight () {
      let height = this.documentClientHeight - 50 - 30 - 2
      if (this.$route.meta.isTab) {
        height -= 70
        return isURL(this.$route.meta.iframeUrl) ? {height: height + 'px'} : {minHeight: height + 'px'}
      }
      return {minHeight: height + 'px'}
    }
  },
  methods: {
    // tabs, 选中tab
    selectedTabHandle (tab) {
      tab = this.mainTabs.filter(item => item.name === tab.name)
      if (tab.length >= 1) {
        this.$router.push({name: tab[0].name, query: tab[0].query, params: tab[0].params})
      }
    },
    // tabs, 删除tab
    removeTabHandle (tabName) {
      this.$store.commit('common/removeTab', tabName)
    },
    // tabs, 关闭当前
    tabsCloseCurrentHandle () {
      this.removeTabHandle(this.mainTabsActiveName)
    },
    // tabs, 关闭其它
    tabsCloseOtherHandle () {
      this.mainTabs = this.mainTabs.filter(item => item.name === this.mainTabsActiveName)
    },
    // tabs, 关闭全部
    tabsCloseAllHandle () {
      this.mainTabs = []
      this.menuActiveName = ''
      this.$router.push({name: 'home'})
    },
    // tabs, 刷新当前
    tabsRefreshCurrentHandle () {
      var tab = this.$route
      this.removeTabHandle(tab.name)
      this.$nextTick(() => {
        this.$router.push({name: tab.name, query: tab.query, params: tab.params})
      })
    }
  }
}
</script>

